TEST
YOUR SSD
ADD TO PC
BUILD

Chn25satas1

25 256GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 58.1% (822nd of 1072)

Based on 26 user benchmarks.  Model: CHN25SATAS1 25
Poor: 33%Average: 58.1% Great: 81%

Average average bench

The Chn25satas1 25 256GB averaged 41.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Read Speed 21.4MB/s
Avg. 4K Random Write Speed 56.9MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Chn25satas1 25 256GB is 48%. This is a relatively wide range which indicates that the Chn25satas1 25 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 10.6MB/s
Avg. 4K-64Thread Read Speed 79.9MB/s
ADVERTISEMENT

Average Bench

(Based on 26 samples)
Rank 82258.1%
Min Avg Max
7.2 Read 417 504
4.2 Write 373 460
25.8 Mixed 288 466
68.3 SusWrite 160 448
69.2% 310 MB/s
Min Avg Max
9.7 4K Read 21.4 28.7
4.7 4K Write 56.9 109
0.3 4K Mixed 9.65 24.7
74.9% 29.3 MB/s
Min Avg Max
20.3 DQ Read 79.9 124
14.8 DQ Write 197 342
0.3 DQ Mixed 10.6 30.8
44.8% 96 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
166GB free (System drive)
Firmware: Q1115A0
SusWrite @10s intervals: 230 189 125 139 132 125 MB/s
77% Very good
Read 496
Write 419
Mixed 371
SusWrite 157
81% 361 MB/s
4K Read 26.4
4K Write 102
4K Mixed 24.7
125% 50.9 MB/s
DQ Read 123
DQ Write 342
DQ Mixed 1.3
68% 156 MB/s
219GB free
Firmware: Q1204B0
SusWrite @10s intervals: 456 449 449 448 447 442 MB/s
65.8% Good
Read 7.2
Write 448
Mixed 93.8
SusWrite 448
58% 249 MB/s
4K Read 11.2
4K Write 104
4K Mixed 18.6
96% 44.7 MB/s
DQ Read 95.8
DQ Write 338
DQ Mixed 22.5
74% 152 MB/s
219GB free
Firmware: Q1204B0
SusWrite @10s intervals: 425 420 417 416 413 418 MB/s
63% Good
Read 92.8
Write 416
Mixed 104
SusWrite 418
59% 258 MB/s
4K Read 20.3
4K Write 61.2
4K Mixed 17.1
85% 32.9 MB/s
DQ Read 104
DQ Write 280
DQ Mixed 22.6
66% 136 MB/s
161GB free (System drive)
Firmware: Q1115A0
SusWrite @10s intervals: 379 74 114 116 123 143 MB/s
45.7% Average
Read 434
Write 380
Mixed 27.8
SusWrite 158
55% 250 MB/s
4K Read 22.2
4K Write 15.1
4K Mixed 1.2
43% 12.8 MB/s
DQ Read 119
DQ Write 203
DQ Mixed 32.9
61% 118 MB/s
106GB free (System drive)
Firmware: Q1115A0
SusWrite @10s intervals: 289 79 43 51 42 76 MB/s
44.6% Average
Read 474
Write 413
Mixed 28.3
SusWrite 96.6
56% 253 MB/s
4K Read 24.1
4K Write 17.3
4K Mixed 1.2
47% 14.2 MB/s
DQ Read 114
DQ Write 206
DQ Mixed 0.6
46% 107 MB/s
26 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,878,645 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Solid State Drive Rankings (Price vs Performance) May 2024 SSD Rankings

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

ADVERTISEMENT

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 6 years

Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $290Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $39SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback